how to fix P0302 code in Skoda Octavia NFL (2020-Present)

Learn how to diagnose and fix P0302 cylinder 2 misfire in Skoda Octavia NFL. Step-by-step guide with diagnostic procedures and repair instructions.

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the battery to prevent electrical shorts.
• Ensure the vehicle is on a flat surface and secure it with wheel chocks.

2. Inspect and Replace Spark Plug

• Tools Required: Socket set, torque wrench
• Remove the ignition coil for cylinder 2 by unscrewing the retaining bolts and gently pulling it out.
• Remove the spark plug using a spark plug socket.
• Inspect the spark plug for wear; if it appears damaged or fouled, replace it with a new one, ensuring it meets OEM specifications.
• Torque the new spark plug to the manufacturer’s specifications (typically around 20 Nm).

3. Test and Replace Ignition Coil (if necessary)

• If the spark plug is in good condition, test the ignition coil with a multimeter to ensure it is functioning correctly.
• If the ignition coil is faulty, replace it with a new OEM part, ensuring it is seated properly and secured with retaining bolts.

4. Inspect and Replace Fuel Injector (if necessary)

• If the ignition coil and spark plug are in good condition, test the fuel injector for cylinder 2.
• Remove the fuel rail if necessary to access the injector, following manufacturer guidelines.
• Replace the injector if it fails to operate correctly, ensuring proper seating and connection.

5. Reassemble and Reset

• Reinstall any components removed during the process, ensuring all bolts are torqued to specifications.
• Reconnect the battery and use the OBD-II scanner to clear the error codes.
• Start the engine and let it idle, checking for smooth operation.